djasper added a comment.
In https://reviews.llvm.org/D42787#1025117, @Typz wrote:
> If people don't care about this case, we might as well merge this :-) Just
> kidding.
>
> The tweak matches both our expectation, the auto-indent behaviour of IDE (not
> to be trusted, but still probably of 'default' behaviour for many people,
> esp. when you don't yet use a formatter), and its seems our code base is
> generally formatted like this. I think it is quite more frequent than 50
> times in whole LLVM/Clang, but I have no actual numbers; do you have a magic
> tool to search for such specific "code pattern", or just run clang-format
> with one option then the next and count the differences ?
I just tweaked a search based on regular expressions. Fundamentally something
like a line with an open paren and a comma that doesn't end in a comma gives a
reasonable first approximation. But yes, first formatting with one option, then
reformatting and looking at numbers of diffs would be interesting. And I would
bet that even in your codebase diffs are few.
Also double-checked with Richard Smith and he agrees that the current behavior
is preferable. For comma and plus this doesn't seem overly important, but
making it:
aaaaaaaaaa(bbbbbbbbb + ccccccccccc *
ddddddddd);
seems really bad to him as this suggests that we are adding both ccccccccccc
and ddddddddd.
aaaaaaaaaa(bbbbbbbbb + ccccccccccc *
ddddddddd);
seems clearer. And for consistency reasons, we should not treat those two cases
differently.
Repository:
rC Clang
https://reviews.llvm.org/D42787
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